Home / 13,765.64-20,645.94-6,267.43

Finding the Fourth Proportional to 13,765.64, 20,645.94 and 6,267.43

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Solution

The fourth proportional to 13,765.64, 20,645.94 and 6,267.43 is: 9,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.64 : 20,645.94 = 6,267.43 : x
  2. Step 2: Convert to fraction form
    13,765.64/20,645.94 = 6,267.43/x
  3. Step 3: Cross multiply
    13,765.64x = 20,645.94 × 6,267.43
  4. Step 4: Simplify right side
    13,765.64x = 129,396,932.12
  5. Step 5: Solve for x
    x = 129,396,932.12/13,765.64
  6. Step 6: Final answer
    x = 9,399.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.